3U9X

Covalent attachment of pyridoxal-phosphate derivatives to 14-3-3 proteins

• PDB DOI: https://doi.org/10.2210/pdb3U9X/pdb

• Classification: SIGNALING PROTEIN/INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2011-10-20 Released: 2012-05-09 
• Deposition Author(s): Thiel, P., Roeglin, L., Kohlbacher, O., Ottmann, C.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.188 
• R-Value Work: 0.133 
• R-Value Observed: 0.136 

Literature

Covalent attachment of pyridoxal-phosphate derivatives to 14-3-3 proteins.

Roglin, L., Thiel, P., Kohlbacher, O., Ottmann, C.

(2012) Proc Natl Acad Sci U S A 109: E1051-E1053

• PubMed: 22532669 
• DOI: https://doi.org/10.1073/pnas.1116592109
• Primary Citation of Related Structures:  
  3U9X

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 26.98 kDa 
• Atom Count: 2,548 
• Modelled Residue Count: 228 
• Deposited Residue Count: 235 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
14-3-3 protein sigma	A	235	Homo sapiens	Mutation(s): 0  Gene Names: HME1, NM_006142, SFN
UniProt & NIH Common Fund Data Resources
Find proteins for P31947 (Homo sapiens) Explore P31947  Go to UniProtKB:  P31947
PHAROS:  P31947 GTEx:  ENSG00000175793

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	G [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CL	D [auth A], E [auth A], F [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
MG	B [auth A], C [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Modified Residues  2 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
CSO	A	L-PEPTIDE LINKING	C3 H7 N O3 S		CYS
LLP	A	L-PEPTIDE LINKING	C14 H22 N3 O7 P		LYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.188 
• R-Value Work: 0.133 
• R-Value Observed: 0.136 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 82.22	α = 90
b = 112.14	β = 90
c = 62.66	γ = 90

Software Package:

Software Name	Purpose
XSCALE	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-05-09 
Deposition Author(s): Thiel, P., Roeglin, L., Kohlbacher, O., Ottmann, C.

Revision History  

• Version 1.0: 2012-05-09
  Type: Initial release
  
• Version 1.1: 2012-05-16
  Changes: Database references